Now available at auction from Second Vintage
This classic Seamaster Cosmic features an attractive crosshair dial configuration housed within Omega's distinctive front-loading case design. A compelling vintage daily wearer, it retains a clearly engraved Hippocampus caseback and its signed gold-tone Omega crown.
Brand: Omega
Model: Seamaster Cosmic
Reference Number: 166026-TOOL 107
Movement: Automatic
Dial: Champagne and silver sunburst with crosshair design
Case Size: 35 mm (excluding the crown)
Case Material: Gold-tone and stainless steel
Production Year: 1960s
Condition: Good vintage condition. Timegrapher: +10+12s/day, performing remarkably well.
Dial and Hands
The well-preserved dial presents a clean champagne and silver sunburst finish, anchored by a distinctive crosshair layout. Applied indices feature black inserts that provide excellent contrast. Under macro magnification, minor dust particles are visible. The gold-tone baton hands also utilize black inserts, displaying noticeable surface scratches and oxidation on the metal finish that reflect the age of the watch.
Case and Crystal
The gold-tone front-loading case is paired with a stainless steel back, demonstrating honest wear with surface scratches and handling marks visible throughout the exterior. The caseback displays clear Hippocampus and reference engravings. A signed Omega gold-tone crown exhibits light wear to the knurling. The domed acrylic crystal presents surface scratches and scuffs, most notably near the 12 o'clock position.
Movement
The automatic movement powers this classic timepiece. Exhibiting remarkable accuracy and consistency, performing brilliantly for a vintage timepiece. The timegrapher records a rate of +10+12s/day.
Strap
The watch is fitted with a casual brown leather strap featuring contrast stitching. The material shows light signs of wear.
Condition
Good vintage condition. The watch presents honest wear across its components, with surface scratches on the gold-tone case and acrylic crystal. The dial remains beautifully preserved, while the hands show expected oxidation and scratches. Supported by the recorded timegrapher result, the movement is performing very strongly.
Dimensions
The case measures 35 mm in diameter, excluding the crown.
Remarks
This Seamaster Cosmic offers an excellent entry into vintage Omega ownership. The combination of the sunburst crosshair dial and the signature front-loading case provides tremendous mid-century character.
History
The Omega Seamaster Cosmic line emerged in the late nineteen sixties, representing a shift toward more modern case geometries. Utilizing a front-loading case design, these models offered a robust structure while maintaining an elegant profile. The Cosmic series successfully bridged the gap between everyday utility and refined aesthetics, becoming a popular choice for those seeking a reliable mechanical watch with distinct visual appeal.
/ Second Vintage
SKU: OME-ASX-0038












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Omega Seamaster Cosmic 166026 (1960-1969)
Omega
Sold for
€510
≈ $572
Sold on Aug 28, 2026
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